<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<script src='jquery源码分析.js'></script>
	<script>
		$(function(){
			$('div').slice(1,3).css('background','red').prevObject.css('color','blue');//end()与prevObject是同一回事 ,走的是pushStack方法
		});
	</script>
</head>
<body>
	 <div>div</div>
	 <div>div</div>
	 <div>div</div>
	 <div>div</div>
	 <span>span</span>
</body>
</html>